Rip out all usage of `quantdom.bases.Quotes` smh.

piker/ui/_axes.py

@@ -5,7 +5,7 @@ import pyqtgraph as pg
 from PyQt5 import QtCore, QtGui
 
 
-from .quantdom.base import Quotes
+# from .quantdom.base import Quotes
 from .quantdom.utils import fromtimestamp
 from ._style import _font
 
@@ -36,10 +36,11 @@ class PriceAxis(pg.AxisItem):
 class FromTimeFieldDateAxis(pg.AxisItem):
     tick_tpl = {'D1': '%Y-%b-%d'}
 
-    def __init__(self, *args, **kwargs):
+    def __init__(self, splitter, *args, **kwargs):
         super().__init__(*args, **kwargs)
+        self.splitter = splitter
         self.setTickFont(_font)
-        self.quotes_count = len(Quotes) - 1
+        # self.quotes_count = len(self.splitter.chart._array) - 1
 
         # default styling
         self.setStyle(
@@ -56,10 +57,13 @@ class FromTimeFieldDateAxis(pg.AxisItem):
         # strings = super().tickStrings(values, scale, spacing)
         s_period = 'D1'
         strings = []
+        quotes_count = len(self.splitter.chart._array) - 1
+
         for ibar in values:
-            if ibar > self.quotes_count:
+            if ibar > quotes_count:
                 return strings
-            dt_tick = fromtimestamp(Quotes[int(ibar)].time)
+            bars = self.splitter.chart._array
+            dt_tick = fromtimestamp(bars[int(ibar)].time)
             strings.append(
                 dt_tick.strftime(self.tick_tpl[s_period])
             )
@@ -140,9 +144,10 @@ class XAxisLabel(AxisLabel):
     def tick_to_string(self, tick_pos):
         # TODO: change to actual period
         tpl = self.parent.tick_tpl['D1']
-        if tick_pos > len(Quotes):
+        bars = self.parent.splitter.chart._array
+        if tick_pos > len(bars):
             return 'Unknown Time'
-        return fromtimestamp(Quotes[round(tick_pos)].time).strftime(tpl)
+        return fromtimestamp(bars[round(tick_pos)].time).strftime(tpl)
 
     def boundingRect(self):  # noqa
         return QtCore.QRectF(0, 0, 145, 50)

piker/ui/_chart.py

@@ -16,7 +16,7 @@ from ._style import _xaxis_at
 from ._source import Symbol, ohlc_zeros
 
 from .quantdom.charts import CenteredTextItem
-from .quantdom.base import Quotes
+# from .quantdom.base import Quotes
 # from .quantdom.const import ChartType
 from .quantdom.portfolio import Order, Portfolio
 
@@ -101,10 +101,11 @@ class SplitterPlots(QtGui.QWidget):
         self.signals_visible = False
         self.indicators = []
 
-        self.xaxis = FromTimeFieldDateAxis(orientation='bottom')
+        self.xaxis = FromTimeFieldDateAxis(orientation='bottom', splitter=self)
         # self.xaxis = pg.DateAxisItem()
 
-        self.xaxis_ind = FromTimeFieldDateAxis(orientation='bottom')
+        self.xaxis_ind = FromTimeFieldDateAxis(
+            orientation='bottom', splitter=self)
 
         if _xaxis_at == 'bottom':
             self.xaxis.setStyle(showValues=False)
@@ -174,7 +175,9 @@ class SplitterPlots(QtGui.QWidget):
         self.chart.draw_ohlc(data)
 
         # TODO: this is where we would load an indicator chain
-        inds = [Quotes.open]
+        # XXX: note, if this isn't index aligned with
+        # the source data the chart will go haywire.
+        inds = [data.open]
 
         for d in inds:
             cv = ChartView()
@@ -377,8 +380,8 @@ class ChartPlotWidget(pg.PlotWidget):
 
         # update view limits
         self.set_view_limits(
-            data[0]['id'],
+            data[0]['index'],
-            data[-1]['id'],
+            data[-1]['index'],
             data['low'].min(),
             data['high'].max()
         )
@@ -525,6 +528,7 @@ def main(symbol):
     from datetime import datetime
 
     from ._exec import run_qtrio
+    from ._source import from_df
     # uses pandas_datareader
     from .quantdom.loaders import get_quotes
 
@@ -539,15 +543,28 @@ def main(symbol):
             date_from=datetime(1900, 1, 1),
             date_to=datetime(2030, 12, 31),
         )
+        quotes = from_df(quotes)
+
         # spawn chart
         splitter_chart = chart_app.load_symbol(symbol, quotes)
         import itertools
-        nums = itertools.cycle([315., 320., 325.])
+        nums = itertools.cycle([315., 320., 325., 310., 3])
+
+        def gen_nums():
+            for i in itertools.count():
+                yield quotes[-1].close + i
+                yield quotes[-1].close - i
+
+        chart = splitter_chart.chart
+
+        nums = gen_nums()
         while True:
-            await trio.sleep(0.05)
+            await trio.sleep(0.1)
-            splitter_chart.chart._graphics['ohlc'].update_last_bar(
+            new = next(nums)
-                {'last': next(nums)})
+            quotes[-1].close = new
-            # splitter_chart.chart.plotItem.sigPlotChanged.emit(self)
+            chart._graphics['ohlc'].update_last_bar({'last': new})
-            # breakpoint()
+
+            # LOL this clearly isn't catching edge cases
+            chart._update_yrange_limits()
 
     run_qtrio(_main, (), Chart)

piker/ui/_graphics.py

@@ -11,7 +11,7 @@ from PyQt5 import QtCore, QtGui
 from PyQt5.QtCore import QLineF
 
 from .quantdom.utils import timeit
-from .quantdom.base import Quotes
+# from .quantdom.base import Quotes
 
 from ._style import _xaxis_at  # , _tina_mode
 from ._axes import YAxisLabel, XAxisLabel
@@ -214,12 +214,12 @@ class BarItems(pg.GraphicsObject):
                 # indexing here is as per the below comments
                 lines[3*i:3*i+3] = (
                     # high_to_low
-                    QLineF(q['id'], q['low'], q['id'], q['high']),
+                    QLineF(q['index'], q['low'], q['index'], q['high']),
                     # open_sticks
-                    QLineF(q['id'] - self.w, q['open'], q['id'], q['open']),
+                    QLineF(q['index'] - self.w, q['open'], q['index'], q['open']),
                     # close_sticks
                     QtCore.QLineF(
-                        q['id'] + self.w, q['close'], q['id'], q['close'])
+                        q['index'] + self.w, q['close'], q['index'], q['close'])
                 )
             else:
                 self._last_quote = q